package com.example.tests;

import static org.junit.Assert.assertThat;
import static org.hamcrest.Matchers.*;

import java.util.Random;

import org.testng.annotations.Test;

import com.example.utils.SortedListOf;

public class GroupRemovalTests extends TestBase {
	
    @Test
	public void deleteSomeGroup () {
        //save old state
    	SortedListOf<GroupData> oldList = app.getGroupHelper().getGroups();
        
        Random rnd = new Random();
        int index = rnd.nextInt(oldList.size()-1);
        
        //actions
    	app.getGroupHelper().deleteGroup(index);
    	 
    	//save new state
    	SortedListOf<GroupData> newList = app.getGroupHelper().getGroups();
        
        //compare states
    	assertThat(newList, equalTo(oldList.without(index)));
      
    }

}
